PATHOLOGY

PATHOLOGY MCQ

ENDOCRINE SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Thyroid stimulating hormone (TSH) is produced by the ____ gland.
A
adrenal
B
hypothalamus
C
pituitary
D
ovarian
Explanation: 

Detailed explanation-1: -TSH is a peptide hormone produced by the anterior pituitary. It consists of two chains: an alpha chain and a beta chain. It has a molecular mass of approximately 28, 000 Da. The composition is very similar to other glycoprotein hormones made by the anterior pituitary.

Detailed explanation-2: -Hypothalamus releases thyrotropin-releasing hormone (TRH) that stimulates the secretion of TSH in the pituitary gland. Increased free T4 and T3 inhibit the release of TRH and TSH through a negative feedback loop.

Detailed explanation-3: -Thyroid-stimulating hormone (TSH): TSH stimulates your thyroid to produce thyroid hormones that manage your metabolism, energy levels and your nervous system.

There is 1 question to complete.